Prosecution Insights
Last updated: October 26, 2026

Keith Richard Williams, USPTO Patent Examiner

Listed by the USPTO as WILLIAMS, KEITH RICHARD

Tech Center 1600 • Art Units: 1662 1663

This examiner grants 50% of resolved cases

Analysis

WILLIAMS, KEITH RICHARD is assigned to tech center 1600 and art unit 1662. The profile contains 14 resolved cases, with an allowance rate of 50.0%. The interview lift is 0.0%, and median time to allowance is 922 days.

The listed companies are Pioneer Hi-bred International Inc., Syngenta AG, and Yeda Research and Development Co. Ltd. The firms are DENTONS US LLP, Knobbe, Martens, Olson & Bear, LLP, and MCKEE, VOORHEES & SEASE, P.L.C. The limited record offers a focused indication of outcomes, but it should not be treated as a broad prediction of future examination behavior.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

50.0%
Allow Rate
-10.0% vs TC avg
58
Total Applications
+0.0%
Interview Lift
922
Avg Prosecution Days
Based on 14 resolved cases, 2023–2026

Rejection Statute Breakdown

14.9%
§101 Eligibility
12.1%
§102 Novelty
32.1%
§103 Obviousness
38.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18851662 URIDINE DIPHOSPHATE-GLYCOSYLTRANSFERASE AND A TRANSGENIC CELL, TISSUE, AND ORGANISM COMPRISING SAME Non-Final OA YEDA RESEARCH AND DEVELOPMENT CO. LTD.
18845798 TRANSGENIC HELICHRYSUM UMBRACULIGERUM CELL, TISSUE, OR PLANT Non-Final OA YEDA RESEARCH AND DEVELOPMENT CO. LTD.
18313288 B3 TRANSCRIPTION FACTOR GENE FOR SIMULTANEOUSLY IMPROVING LENGTH, STRENGTH AND ELONGATION OF COTTON FIBERS AND USE THEREOF Non-Final OA ZHEJIANG UNIVERSITY
18862192 CONFERRING CYTOPLASMIC MALE STERILITY Non-Final OA Syngenta Crop Protection AG
18041274 WIDE CROSS BREEDING Non-Final OA Syngenta Crop Protection AG

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Frequently Asked Questions

What is examiner Keith Richard Williams's allowance rate?

50.0% of resolved applications examined by Keith Richard Williams were allowed (14 resolved cases), compared with 63.0% across Art Unit 1662 over the last five years.

Does an interview help with examiner Keith Richard Williams?

This examiner's interview lift is +0.0 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Keith Richard Williams take to allow a patent?

Applications allowed by Keith Richard Williams took 922 days on average from filing to allowance.

Which art unit does examiner Keith Richard Williams work in?

Keith Richard Williams examines applications in Art Unit 1662 in Tech Center 1600 (Biotechnology & Pharmaceuticals).

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